" What is a pure heart? It is meek, humble, guileless, simple, trusting, true, unsuspicious, gentle, good, not covetous, not envious, not adulterous. "

― John of Kronstadt , My Life in Christ: Moments of Spiritual Serenity and Contemplation, of Reverent Feeling, of Earnest Self-Amendment, and of Peace in God: Extracts from the Diary of St. John of Kronstadt